Class design – OOP | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
This article is probably to be read together with the one on methods in Java OOP. There is a lot…
Methods – OOP | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
Certification and technical interviews will check if you know your OOP principles and can apply them. In the associate level…
Array and ArrayList | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
Arrays are a very important structure in a programming language. In this article I’ll talk about arrays ([ ]) and…
String and StringBuilder | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
String and StringBuilder classes don’t work the same at all. Here are the differences between them as well as gotcha’s…
Statements, loops and conditions | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
Loops and conditions are the core behaviors of programming languages. We’ll have a look at the particularities of them in…
Java basics – The operators | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
This article is part of my blog series on how I prepared the OCA (Oracle Certified Associate in Java 8…
Java basics – the Java environment, object references and primitives, class structure, garbage collector | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
What are JVM, JRE and JDK? What’s the basic structure of a Java class? What are the characteristics of primitive…
Will the code even compile? | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
I’m usually pretty quick at finishing exams. However, when I took my first Java certification, I used almost every minute…